A299850 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

32, 1012, 5533, 36968, 276154, 2030211, 14789406, 108058244, 790761211, 5784960266, 42325137206, 309754517360, 2266847958713, 16588745106930, 121400784438530, 888452121431689, 6501968225890642, 47583582896366558

Offset

1,1

Comments

Column 6 of A299852.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0..1..0..0..1..0. .0..1..0..1..1..0. .0..1..1..1..0..1. .0..1..0..1..1..1
..1..0..1..1..0..1. .0..1..0..1..0..1. .0..0..0..1..0..1. .0..1..0..1..0..0
..0..0..0..0..0..0. .0..1..0..1..0..1. .0..1..0..0..0..1. .0..1..0..0..0..1
..0..1..0..0..1..0. .1..0..0..1..0..1. .1..0..1..0..1..1. .0..1..1..0..1..0
..1..1..1..0..1..0. .0..1..0..1..1..0. .1..0..1..0..0..1. .0..0..0..0..1..0

Crossrefs

Cf. A299852.

Sequence in context: A298193 A299087 A299343 * A299006 A299673 A299751

Adjacent sequences: A299847 A299848 A299849 * A299851 A299852 A299853

Keyword

nonn

Author

R. H. Hardin, Feb 20 2018

Status

approved